For Canon TTL Oral Insect Insect Teeth Ring Light YONGNUO YN-14EX II Macro Ring Flash Speedlite 1. The faithful rendering, fully details 2. It is widely used in plants, insects, ornaments and oral cavity 3. Fill light no dark angle no shadow, the flash is installed in front of the lens, the camera body or body will not block the flash light, to evenly illuminate the subject 4. TTL automatic metering, flash output stability, instant fill light, take out details and levels 5. Magnet absorption type color thermostat, with white, red, fluorescent green, warm yellow four color thermostat, create a special environment atmosphere 6. All-optical output return time only 3 seconds, capture the moment wonderful 7. Free switch between left and right light tube flash ratio, support manualTTL flash ratio settings, can also be one-side flash tube flash, in the subject to create a light and shadow effect, so that more three-dimensional image 8. High brightness LED focusing auxiliary lamp, in the dark environment, shooting can also be easily focused 9. Large size LCD display, intuitive view and set flash function 10. Audio prompt system to automatically save settings 11. Model: camera 12. Flash range: 80 degrees 13. Exposure control: 8 levels of brightness with 22 levels of fine tuning 14. Flash rating: 18 15. Type: automatic ring flash for close-up photography 16. Multiple lens sizes: 52MM, 58MM, 62MM, 67MM, 72MM 17. Color Temperature: 5600K 18. Circuit design: Automatic Insulation two-stage Crystal (IGBT) 19. Flash ratio control: 8:1-1:1-1:8-12 for incremental adjustment 20. Flash mode: TTL, M 21. Power: 4 x AA batteries (not included) 22. Number of lights emitted: 200-2500 23. External interface: hot boot, PC port, charging port 24. Additional functions: flash ratio control, rear curtain Sync, LED focus assist lamp, exposure compensation, exposure surround, exposure lock, voice prompt, automatic save settings, PC sync, charging interface, power-saving mode, overheat protection, opt